This Swordsman Is Very Strong but Too Timid

I don't want to become an immortal, nor do I want to be the best in the world. I just want to find the strongest defense weapon in the world and live this life well. He is afraid of the dark, but has to cover his eyes to face the darkness, just because he is afraid of seeing something darker than the darkness. His name is Li Danda. He is very bold and has very strong martial arts skills. However, when in danger, he will always be the first to leave Chu Xiaoxiao and run away. But don't blame him, who knows that he will use the strongest killing move even when he hears a rabbit barking.